package com.example.goband.game;

import org.springframework.stereotype.Component;

import java.util.concurrent.ConcurrentHashMap;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 22479
 * Date: 2023-06-02
 * Time: 18:48
 */

//房间管理类
@Component
public class RoomManager {

    private ConcurrentHashMap<String,Room> rooms = new ConcurrentHashMap<>();
    private ConcurrentHashMap<Integer,String> userIdToRoomId = new ConcurrentHashMap<>();

    public void add(Room room,int userId1,int userId2) {
        rooms.put(room.getRoomId(),room);
        userIdToRoomId.put(userId1,room.getRoomId());
        userIdToRoomId.put(userId2,room.getRoomId());
    }

    public void remove(String roomId,int userId1,int userId2) {
        rooms.remove(roomId);
        userIdToRoomId.remove(userId1);
        userIdToRoomId.remove(userId2);
    }

    public Room getRoomById(String roomId) {
        return rooms.get(roomId);
    }

    public Room getRoomByUserId(int userId) {
        String roomId = userIdToRoomId.get(userId);
        if(roomId == null) {
            //userId -> room关系映射不存在
            return null;
        }
        Room room = rooms.get(roomId);

        return room;

    }

}
